CA2513384A1 - Electrical transformer - Google Patents
Electrical transformer Download PDFInfo
- Publication number
- CA2513384A1 CA2513384A1 CA002513384A CA2513384A CA2513384A1 CA 2513384 A1 CA2513384 A1 CA 2513384A1 CA 002513384 A CA002513384 A CA 002513384A CA 2513384 A CA2513384 A CA 2513384A CA 2513384 A1 CA2513384 A1 CA 2513384A1
- Authority
- CA
- Canada
- Prior art keywords
- electrically isolated
- conductor segments
- electrical conductor
- isolated electrical
- disposed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004020 conductor Substances 0.000 claims abstract 82
- 238000004804 winding Methods 0.000 claims abstract 26
- 239000003989 dielectric material Substances 0.000 claims abstract 5
- 239000011162 core material Substances 0.000 claims 23
- 125000006850 spacer group Chemical group 0.000 claims 5
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0033—Printed inductances with the coil helically wound around a magnetic core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F2038/006—Adaptations of transformers or inductances for specific applications or functions matrix transformer consisting of several interconnected individual transformers working as a whole
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
An electrical transformer is described having a core disposed between a pair of dielectrics, each having a plurality of electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels. The core has an aperture therein which extends between the first and second dielectric with a dielectric body disposed in the aperture.
The body has disposed therein a plurality of third electrically isolated electrical conductor segments with first ends electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends are electrically connected to the plurality of second electrically isolated electrical conductor segments which are used as windings of the transformer.
The body has disposed therein a plurality of third electrically isolated electrical conductor segments with first ends electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends are electrically connected to the plurality of second electrically isolated electrical conductor segments which are used as windings of the transformer.
Claims (22)
1. An electrical transformer, comprising:
a first dielectric having a plurality of first electrically isolated electrical conductor segments disposed on the dielectric;
a second dielectric, disposed over, and in registration with, the first dielectric, such second dielectric having a plurality of second electrically isolated electrical conductor segments disposed on the second dielectric;
a core having an aperture therein, such aperture extending between the first and second dielectrics;
a plurality of third electrically isolated electrical conductor segments; and wherein first ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a portion of a primary winding and a portion of a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third electrically isolated electrical conductor segments.
.
a first dielectric having a plurality of first electrically isolated electrical conductor segments disposed on the dielectric;
a second dielectric, disposed over, and in registration with, the first dielectric, such second dielectric having a plurality of second electrically isolated electrical conductor segments disposed on the second dielectric;
a core having an aperture therein, such aperture extending between the first and second dielectrics;
a plurality of third electrically isolated electrical conductor segments; and wherein first ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a portion of a primary winding and a portion of a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third electrically isolated electrical conductor segments.
.
2. The electrical transformer recited in claim 1 wherein the first and second dielectrics are disposed in a pair of overlaying planes and wherein the plurality of third electrically isolated electrical conductor segments are disposed perpendicular to the overlaying planes.
3. The electrical transformer recited in claim 2 wherein the primary and secondary winding provide loops around the core.
4. The electrical transformer recited in claim 3 wherein the third electrically isolated electrical conductor segments are disposed within the core.
5. The electrical transformer recited in claim 4 wherein the core comprises a toroidal shaped body and wherein core is disposed in a central region of the toroidal shaped body.
6. An electrical transformer, comprising:
a first dielectric having a plurality of first electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such first dielectric;
a second dielectric, disposed over, and in registration with, the first dielectric, such second dielectric having a plurality of second electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such second dielectric;
a plurality of third electrically isolated conductor segments;
a plurality of fourth electrically isolated conductor segments;
wherein the plurality of third and fourth conductors segments are disposed between the first dielectric and the second dielectric; and wherein first ends of the third electrically isolated electrical conductor segments and first ends of the fourth electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments and the fourth electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a primary winding and a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third and fourth electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third and fourth electrically isolated electrical conductor segments.
a first dielectric having a plurality of first electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such first dielectric;
a second dielectric, disposed over, and in registration with, the first dielectric, such second dielectric having a plurality of second electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such second dielectric;
a plurality of third electrically isolated conductor segments;
a plurality of fourth electrically isolated conductor segments;
wherein the plurality of third and fourth conductors segments are disposed between the first dielectric and the second dielectric; and wherein first ends of the third electrically isolated electrical conductor segments and first ends of the fourth electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments and the fourth electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a primary winding and a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third and fourth electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third and fourth electrically isolated electrical conductor segments.
7. The electrical transformer recited in claim 6 wherein the first and second dielectrics are disposed in a pair of overlaying planes and wherein the plurality of third and fourth electrically isolated electrical conductor segments are disposed perpendicular to the overlaying planes.
8. The electrical transformer recited in claim 7 including a core is disposed between the first and second dielectrics and wherein the primary and secondary winding provide loops around the core.
9. The electrical transformer recited in claim 8 wherein the third and fourth electrically isolated electrical conductor segments are embedded within the core.10. The electrical transformer recited in claim 9 wherein the core comprises a pair of adjacent, toroidal shaped bodies and each one of the third and fourth electrically isolated conductive segments is disposed in a central region of a corresponding one of the pair of toroidal shaped bodies.
10. An electrical transformer, comprising:
a first multilayer printed circuit board having a plurality of first electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such first multilevel printed circuit board;
a second multilayer printed circuit board, disposed over, and in registration with, the first multilevel printed circuit board, such second multilevel printed circuit board having a plurality of second electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such second multilevel printed circuit board;
a core having an aperture therein, such aperture extending between the first and second multilevel printed circuits boards;
a dielectric body disposed in the aperture, such body having disposed therein a plurality of third electrically isolated electrical conductor segments; and wherein first ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a portion of a primary winding and a portion of a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third electrically isolated electrical conductor segments.
a first multilayer printed circuit board having a plurality of first electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such first multilevel printed circuit board;
a second multilayer printed circuit board, disposed over, and in registration with, the first multilevel printed circuit board, such second multilevel printed circuit board having a plurality of second electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such second multilevel printed circuit board;
a core having an aperture therein, such aperture extending between the first and second multilevel printed circuits boards;
a dielectric body disposed in the aperture, such body having disposed therein a plurality of third electrically isolated electrical conductor segments; and wherein first ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a portion of a primary winding and a portion of a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third electrically isolated electrical conductor segments.
11. The electrical transformer recited in claim 10 wherein the first and second multilevel printed circuit boards are disposed in a pair of overlaying planes and wherein the plurality of third electrically isolated electrical conductor segments are disposed perpendicular to the overlaying planes.
12. The electrical transformer recited in claim 11 wherein the primary and secondary winding provide loops around the core.
13. The electrical transformer recited in claim 12 wherein the third electrically isolated electrical conductor segments are embedded within the core.
14. The electrical transformer recited in claim 13 wherein the core material comprises a toroidal shaped body and wherein dielectric body is disposed in a central region of the toroidal shaped body.
15. An electrical transformer, comprising:
a first multilayer printed circuit board having a plurality of first electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such first multilevel printed circuit board;
a second multilayer printed circuit board, disposed over, and in registration with, the first multilevel printed circuit board, such second multilevel printed circuit board having a plurality of second electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such second multilevel printed circuit board;
a pair of dielectric bodies disposed between the first multilevel printed circuit board and the second multilevel printed circuit board, each one of such bodies having disposed therein a plurality of third electrically isolated electrical conductor segments; and wherein first ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a primary winding and a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third electrically isolated electrical conductor segments.
a first multilayer printed circuit board having a plurality of first electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such first multilevel printed circuit board;
a second multilayer printed circuit board, disposed over, and in registration with, the first multilevel printed circuit board, such second multilevel printed circuit board having a plurality of second electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such second multilevel printed circuit board;
a pair of dielectric bodies disposed between the first multilevel printed circuit board and the second multilevel printed circuit board, each one of such bodies having disposed therein a plurality of third electrically isolated electrical conductor segments; and wherein first ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a primary winding and a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third electrically isolated electrical conductor segments.
16. The electrical transformer recited in claim 15 wherein the first and second multilevel printed circuit boards are disposed in a pair of overlaying planes and wherein the plurality of third electrically isolated electrical conductor segments are disposed perpendicular to the overlaying planes.
17. The electrical transformer recited in claim 16 including a core material disposed between the first and second multilevel printed circuit boards and wherein the primary and secondary winding provide loops around the core material.
18. The electrical transformer recited in claim 17 wherein the third electrically isolated electrical conductor segments are embedded within the core material.
19. The electrical transformer recited in claim 18 wherein the core material comprises a pair of adjacent, toroidal shaped bodies and each one of the a pair of dielectric bodies is disposed in a central region of a corresponding one of the pair of toroidal shaped bodies.
20. An electrical transformer structure, comprising:
a first multilayer printed circuit board having a plurality of first electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such first multilevel printed circuit board;
a second multilayer printed circuit board, disposed over, and in registration with, the first multilevel printed circuit board, such second multilevel printed circuit board having a plurality of second electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such second multilevel printed circuit board;
a dielectric spacer member disposed between the first multilevel printed circuit board and the second multilevel printed circuit board, such spacer member having a plurality of apertures therethrough, such apertures passing between a top and a bottom surface of the spacer member;
a plurality of toroidal shaped cores, each one of such cores being disposed in a corresponding one of the plurality of apertures of the dielectric spacer member, each one of the cores having an aperture therein, the apertures of the cores being coaxial with the apertures in the dielectric spacer member;
a plurality of dielectric bodies, each one of such dielectric bodies being disposed in a corresponding one of the apertures in the cores;
a plurality of plurality of dielectric bodies having a corresponding one of the sets of third electrically isolated electrical conductor segments;
wherein first ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a primary winding and a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third electrically isolated electrical conductor segments.
a first multilayer printed circuit board having a plurality of first electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such first multilevel printed circuit board;
a second multilayer printed circuit board, disposed over, and in registration with, the first multilevel printed circuit board, such second multilevel printed circuit board having a plurality of second electrically isolated electrical conductor segments disposed on each one of a plurality of electrically isolated levels of such second multilevel printed circuit board;
a dielectric spacer member disposed between the first multilevel printed circuit board and the second multilevel printed circuit board, such spacer member having a plurality of apertures therethrough, such apertures passing between a top and a bottom surface of the spacer member;
a plurality of toroidal shaped cores, each one of such cores being disposed in a corresponding one of the plurality of apertures of the dielectric spacer member, each one of the cores having an aperture therein, the apertures of the cores being coaxial with the apertures in the dielectric spacer member;
a plurality of dielectric bodies, each one of such dielectric bodies being disposed in a corresponding one of the apertures in the cores;
a plurality of plurality of dielectric bodies having a corresponding one of the sets of third electrically isolated electrical conductor segments;
wherein first ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of first electrically isolated electrical conductor segments and second ends of the third electrically isolated electrical conductor segments are electrically connected to the plurality of second electrically isolated electrical conductor segments to provide a primary winding and a secondary winding for the transformer;
wherein such primary winding comprises first ones of the first electrically isolated electrical conductor segments, first ones of the second electrically isolated electrical conductor segments, and first ones of the third electrically isolated electrical conductor segments; and wherein such secondary winding comprises second ones of the first electrically isolated electrical conductor segments, second ones of the second electrically isolated electrical conductor segments, and second ones of the third electrically isolated electrical conductor segments.
21. The electrical transformer recited in claim 20 wherein the first and second multilevel printed circuit boards are disposed in a pair of overlaying planes and wherein the plurality of third electrically isolated electrical conductor segments are disposed perpendicular to the overlaying planes.
22. The electrical transformer recited in claim 21 including wherein the primary and secondary winding provide loops around the cores.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/357,595 | 2003-02-04 | ||
| US10/357,595 US6952153B2 (en) | 2003-02-04 | 2003-02-04 | Electrical transformer |
| PCT/US2004/002465 WO2004072997A1 (en) | 2003-02-04 | 2004-01-29 | Electrical transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2513384A1 true CA2513384A1 (en) | 2004-08-26 |
| CA2513384C CA2513384C (en) | 2012-10-30 |
Family
ID=32771029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2513384A Expired - Lifetime CA2513384C (en) | 2003-02-04 | 2004-01-29 | Electrical transformer |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6952153B2 (en) |
| EP (1) | EP1593131B1 (en) |
| JP (1) | JP5323314B2 (en) |
| KR (1) | KR101027328B1 (en) |
| CN (1) | CN1748267B (en) |
| CA (1) | CA2513384C (en) |
| TW (1) | TWI282562B (en) |
| WO (1) | WO2004072997A1 (en) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8804899B2 (en) | 2003-04-25 | 2014-08-12 | Rapiscan Systems, Inc. | Imaging, data acquisition, data transmission, and data distribution methods and systems for high data rate tomographic X-ray scanners |
| US7436277B2 (en) * | 2005-06-01 | 2008-10-14 | Intel Corporation | Power transformer |
| US10049803B2 (en) * | 2005-09-22 | 2018-08-14 | Radial Electronics, Inc. | Arrayed embedded magnetic components and methods |
| US10522279B2 (en) | 2005-09-22 | 2019-12-31 | Radial Electronics, Inc. | Embedded high voltage transformer components and methods |
| WO2008060551A2 (en) * | 2006-11-14 | 2008-05-22 | Pulse Engineering, Inc. | Wire-less inductive devices and methods |
| JP4855227B2 (en) * | 2006-11-30 | 2012-01-18 | 三菱電機株式会社 | Choke coil unit and power device using the same |
| US8203418B2 (en) * | 2007-01-11 | 2012-06-19 | Planarmag, Inc. | Manufacture and use of planar embedded magnetics as discrete components and in integrated connectors |
| US7821374B2 (en) | 2007-01-11 | 2010-10-26 | Keyeye Communications | Wideband planar transformer |
| US7986535B2 (en) * | 2007-07-17 | 2011-07-26 | Raytheon Company | Methods and apparatus for a cascade converter using series resonant cells with zero voltage switching |
| US7839023B2 (en) | 2007-07-18 | 2010-11-23 | Raytheon Company | Methods and apparatus for three-phase inverter with reduced energy storage |
| JP2009135325A (en) * | 2007-11-30 | 2009-06-18 | Asahi Kasei Electronics Co Ltd | Inductance element and method of manufacturing the same |
| US7489226B1 (en) | 2008-05-09 | 2009-02-10 | Raytheon Company | Fabrication method and structure for embedded core transformers |
| US7982572B2 (en) * | 2008-07-17 | 2011-07-19 | Pulse Engineering, Inc. | Substrate inductive devices and methods |
| CN102301435B (en) * | 2009-07-15 | 2014-12-24 | 脉冲电子(新加坡)私人有限公司 | Substrate Inductive Devices And Methods |
| US9664711B2 (en) | 2009-07-31 | 2017-05-30 | Pulse Electronics, Inc. | Current sensing devices and methods |
| US9823274B2 (en) | 2009-07-31 | 2017-11-21 | Pulse Electronics, Inc. | Current sensing inductive devices |
| US9754714B2 (en) * | 2009-07-31 | 2017-09-05 | Radial Electronics, Inc. | Embedded magnetic components and methods |
| US8591262B2 (en) | 2010-09-03 | 2013-11-26 | Pulse Electronics, Inc. | Substrate inductive devices and methods |
| CN102360852B (en) * | 2011-06-25 | 2013-09-18 | 中国电子科技集团公司第五十八研究所 | Heavy-current planar transformer |
| US9304149B2 (en) | 2012-05-31 | 2016-04-05 | Pulse Electronics, Inc. | Current sensing devices and methods |
| US20140125446A1 (en) * | 2012-11-07 | 2014-05-08 | Pulse Electronics, Inc. | Substrate inductive device methods and apparatus |
| US9431473B2 (en) * | 2012-11-21 | 2016-08-30 | Qualcomm Incorporated | Hybrid transformer structure on semiconductor devices |
| US10002700B2 (en) | 2013-02-27 | 2018-06-19 | Qualcomm Incorporated | Vertical-coupling transformer with an air-gap structure |
| US9634645B2 (en) | 2013-03-14 | 2017-04-25 | Qualcomm Incorporated | Integration of a replica circuit and a transformer above a dielectric substrate |
| CN103298258B (en) * | 2013-05-21 | 2016-09-21 | 华为技术有限公司 | Circuit board and there is the power supply change-over device of this circuit board |
| US9449753B2 (en) | 2013-08-30 | 2016-09-20 | Qualcomm Incorporated | Varying thickness inductor |
| US9906318B2 (en) | 2014-04-18 | 2018-02-27 | Qualcomm Incorporated | Frequency multiplexer |
| TWI578872B (en) * | 2015-07-22 | 2017-04-11 | 乾坤科技股份有限公司 | Multi-layer wire structure of pcb, magnetic element and manufacturing method thereof |
| GB201612032D0 (en) * | 2016-07-11 | 2016-08-24 | High Speed Trans Solutions Ltd | Isolating transformer |
| US11562845B2 (en) | 2019-10-17 | 2023-01-24 | Infineon Technologies Austria Ag | Inductor devices and implementations |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6229115A (en) * | 1985-07-30 | 1987-02-07 | Fujitsu Ltd | Planar coil body |
| DE4027994A1 (en) * | 1990-09-04 | 1992-03-05 | Gw Elektronik Gmbh | HF MAGNETIC COIL ARRANGEMENT AND METHOD FOR THEIR PRODUCTION |
| US5990776A (en) * | 1994-12-08 | 1999-11-23 | Jitaru; Ionel | Low noise full integrated multilayers magnetic for power converters |
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| JP2990652B2 (en) * | 1996-03-22 | 1999-12-13 | 株式会社村田製作所 | Stacked balun transformer |
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-
2003
- 2003-02-04 US US10/357,595 patent/US6952153B2/en not_active Expired - Lifetime
-
2004
- 2004-01-29 CA CA2513384A patent/CA2513384C/en not_active Expired - Lifetime
- 2004-01-29 JP JP2006503127A patent/JP5323314B2/en not_active Expired - Lifetime
- 2004-01-29 KR KR1020057013491A patent/KR101027328B1/en active IP Right Grant
- 2004-01-29 WO PCT/US2004/002465 patent/WO2004072997A1/en active Application Filing
- 2004-01-29 EP EP04706465.4A patent/EP1593131B1/en not_active Expired - Lifetime
- 2004-01-29 CN CN200480003447.9A patent/CN1748267B/en not_active Expired - Lifetime
- 2004-02-03 TW TW093102422A patent/TWI282562B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TW200503003A (en) | 2005-01-16 |
| EP1593131B1 (en) | 2016-11-30 |
| EP1593131A1 (en) | 2005-11-09 |
| WO2004072997A1 (en) | 2004-08-26 |
| KR20050096146A (en) | 2005-10-05 |
| JP2006516829A (en) | 2006-07-06 |
| US20040150502A1 (en) | 2004-08-05 |
| KR101027328B1 (en) | 2011-04-06 |
| CN1748267B (en) | 2014-07-30 |
| CA2513384C (en) | 2012-10-30 |
| CN1748267A (en) | 2006-03-15 |
| US6952153B2 (en) | 2005-10-04 |
| JP5323314B2 (en) | 2013-10-23 |
| TWI282562B (en) | 2007-06-11 |
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